<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<ul id="test">
			<li v-text='items[1]'></li>
			<li v-text='items[2]'></li>
			<li v-text='items[3]'></li>
			<li v-text='items[4]'></li>
		</ul>
		<script src="http://cdn.bootcss.com/jquery/3.1.1/jquery.min.js"></script>
		<script src="vue.min.js"></script>
		<script type="text/javascript">
		 var app =  new Vue({
		 	el:'#test',
		 	data:{
		 		items:{
		 			1:'1',
		 			2:'2',
		 			3:'3',
		 			4:'4'
		 		}
		 	},
			mounted: function () {
				console.log()
				this.items[3] = 'a'
				this.items = this.items
				console.log(this.items)
			
			},
		 })
			var a = '11111'
			var b = '22222'
			a=b
			console.log(a)
			console.log(b)
			b = 'aaaaa'
			console.log(a)
			console.log(b)
		
		</script>
	</body>
</html>
